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Short name added to derived unit definition

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Mateusz Pusz committed 2019-10-15 11:32:59 +02:00
1 parent 2bcc5fa4e5
commit b889c81cb9
24 files changed
+186 -78
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src/include/units/unit.h
+45 -10
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@@ -24,6 +24,7 @@
#include <units/dimension.h>
#include <units/ratio.h>
#include <units/bits/fixed_string.h>
#include <ratio>
namespace units {
@@ -115,20 +116,54 @@ namespace units {
// derived_unit
template<typename Child, typename...>
// TODO gcc:92101
// Gated by the following gcc bug
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92101
// template<typename Child, fixed_string Name, typename...>
// struct derived_unit;
// template<typename Child, fixed_string Name, Dimension D>
// struct derived_unit<Child, Name, D> : downcast_helper<Child, unit<D, ratio<1>>> {
// static constexpr auto name = Name;
// };
// template<typename Child, fixed_string Name, Dimension D, Ratio R>
// struct derived_unit<Child, Name, D, R> : downcast_helper<Child, unit<D, R>> {
// static constexpr auto name = Name;
// };
// template<typename Child, fixed_string Name, Unit U>
// struct derived_unit<Child, Name, U> : downcast_helper<Child, U> {
// static constexpr auto name = Name;
// };
// template<typename Child, fixed_string Name, Dimension D, Unit U, Unit... Us>
// struct derived_unit<Child, Name, D, U, Us...> : downcast_helper<Child, detail::make_derived_unit<D, U, Us...>> {
// static constexpr auto name = Name;
// };
template<typename Child, typename Name, typename...>
struct derived_unit;
template<typename Child, typename Name, Dimension D>
struct derived_unit<Child, Name, D> : downcast_helper<Child, unit<D, ratio<1>>> {
static constexpr auto name = Name::c_str();
};
template<typename Child, Dimension D>
struct derived_unit<Child, D> : downcast_helper<Child, unit<D, ratio<1>>> {};
template<typename Child, typename Name, Dimension D, Ratio R>
struct derived_unit<Child, Name, D, R> : downcast_helper<Child, unit<D, R>> {
static constexpr auto name = Name::c_str();
};
template<typename Child, Dimension D, Ratio R>
struct derived_unit<Child, D, R> : downcast_helper<Child, unit<D, R>> {};
template<typename Child, typename Name, Unit U>
struct derived_unit<Child, Name, U> : downcast_helper<Child, U> {
static constexpr auto name = Name::c_str();
};
template<typename Child, Unit U>
struct derived_unit<Child, U> : downcast_helper<Child, U> {};
template<typename Child, Dimension D, Unit U, Unit... Us>
struct derived_unit<Child, D, U, Us...> : downcast_helper<Child, detail::make_derived_unit<D, U, Us...>> {};
template<typename Child, typename Name, Dimension D, Unit U, Unit... Us>
struct derived_unit<Child, Name, D, U, Us...> : downcast_helper<Child, detail::make_derived_unit<D, U, Us...>> {
static constexpr auto name = Name::c_str();
};
// SI prefixes